2251163613353 has 4 divisors (see below), whose sum is σ = 2303516255568. Its totient is φ = 2198810971140.

The previous prime is 2251163613329. The next prime is 2251163613397. The reversal of 2251163613353 is 3533163611522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251163613353 - 2⁴⁰ = 1151651985577 is a prime.

It is a super-2 number, since 2×2251163613353² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251163613353.

It is not an unprimeable number, because it can be changed into a prime (2251163013353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26176321043 + ... + 26176321128.

It is an arithmetic number, because the mean of its divisors is an integer number (575879063892).

Almost surely, 2^{2251163613353} is an apocalyptic number.

It is an amenable number.

2251163613353 is a deficient number, since it is larger than the sum of its proper divisors (52352642215).

2251163613353 is an equidigital number, since it uses as much as digits as its factorization.

2251163613353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52352642214.

The product of its digits is 291600, while the sum is 41.

The spelling of 2251163613353 in words is "two trillion, two hundred fifty-one billion, one hundred sixty-three million, six hundred thirteen thousand, three hundred fifty-three".